. >>> prognosis is promising for secretary of state hillary clinton. as she is being treated for a blood clot in her head. the clot was found by doctors examining her recovery from a concussion she sustained last month. doctors say they are not sure whether the clot is related to the concussion. she's being treated with blood thinners tonight and is said to be making excellent progress. >>> students who survived the school shooting in newtown, connecticut, go back to class this week. sandy hook elementary students will use a vacant school building in the nearby town of monroe. classes begin on thursday. sandy hook elementary school became a crime scene back on december 14 is when adam lanza killed 26 people and then himself. a connecticut attorney has withdrawn a $100 million lawsuit for a surviving student at sandy hook. the attorney wanted to sue the state for palg to prevent emotional trauma during the massacre. >>> the crash site where a prince william county police officer died is now a memorial to his life. officer chris yung was killed yesterday